Quote:
Originally Posted by aussiblue
Clear the fault code and then remove the fuel cap and see if you still get the fault code with the cap left off. The cap has a one way vent valve that allow air in but no fuel or fumes out. It it fails so air cannot get in it will both stop the evap system working correctly (as it won't be able to draw vapours out of the tank and the solenoid won't be able overcome the vacuum in the tank and open) giving an evap fault code and stop the ute starting (as the pump won't be able to overcome the resultant vacuum in what is now a totally sealed tank).
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So how do I clear the fault codes? Do I run another diag test, then clear the fault codes before running another diag test whilst the scantool is still connected?